ONTARIO, WI (Ben Caxton) — One man is dead after a one-vehicle traffic crash on State Highway 131 near Nisswa Road in rural Ontario. The Monroe County Sheriff’s Office was called to the site of a single-vehicle crash around 10:30 AM Monday morning. The Sheriff’s Office says that the responding deputy had difficulty in locating the vehicle, which had left the roadway and rolled down a hill. One the car was located they found 42-year-old Theron Haas, of Tomah, had died in the crash. This accident is under investigation by the Monroe County Sheriff’s Office.